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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The Arizona CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The AZ tanker test covers the following sections of the Arizona CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this AZ tanker practice test now to prepare for the actual test!
1. Which of the following statements about tank vehicles is true?
Baffled liquid tanks have nothing inside to slow down the flow of the liquid.
Hauling liquids in tanks requires special skills because of the low center of gravity.
Baffled liquid tanks have bulkheads in them with holes that let the liquid flow through.
2. Before unloading explosive materials, you should:
connect heater power sources.
turn your engine off.
keep the engine running.
3. You should be extremely cautious when driving unbaffled liquid tankers, especially when:
going uphill.
starting or stopping.
they are empty.
4. Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
5. Older trailers do not have spring brakes. If the air supply leaks away:
the ABS won't work properly.
there will be no emergency brakes.
the trailer will stop normally.
6. If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
5, 50 and 500 feet
10, 100 and 200 feet
5, 25 and 50 feet
7. The steering wheel should:
be held firmly with both hands.
be held firmly with the left hand.
be held firmly with the right hand.
8. If there is a fire and you are not sure what to use to put it out, you should:
use water.
wait for firefighters.
use a fire extinguisher.
9. One reason parked delivery trucks can present a hazard is:
their drivers are often in a hurry and may suddenly step out of their vehicle.
they are often hard to see.
packages may fall out of the truck.
10. Some liquid tanks are divided into several smaller tanks by:
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AZ Tanker Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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